diff --git a/requirements.txt b/requirements.txt
index 8b3eb2c..9234b9a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.2
-python-dateutil==2.8.1
-requests==2.24.0
-pytz==2021.1
+Flask==2.1.2
+python-dateutil==2.8.2
+requests==2.28.1
+pytz==2022.1